Toyota Motor originated from the Toyoda loom factory, where Sakichi Toyoda invented looms. Probably the most famous one is the Toyoda Model G Automatic Loom. This loom touches on many points that are part of the Toyota Production System and lean manufacturing. During my last visit to Japan in September, I made some videos detailing many of the features of the Toyoda Automatic Loom from 1924. Be advised: Lots of images and videos ahead!
Karakuri Kaizen Examples
After an introduction and description of the fundamentals of karakuri kaizen, here are some different karakuri kaizen examples for a wide variety of uses. Most of them are from the 480 exhibits at the the Karakuri Kaizen Exhibition 2017 in Nagoya, Japan; others are from the 2017 OPEXCON in Stuttgart, Germany. Here is my attempt of a structured overview, even though some of the points below may be overlapping.
Fundamentals of Karakuri Kaizen
Karakuri is the art of creating machines without an external power source. After an introduction to the topic in my last post, I would like to show you some fundamental techniques for karakuri.
I would like to pay particular attention to power management: Where do these machines get their power from, how do they store it, and where does it go? I will also (very !) briefly talk about kinematics, and even some karakuri ideas that go beyond kinematics. My next post will have lots of examples, mostly from the Karakuri Kaizen Exhibition 2017 in Nagoya.
Introduction to Karakuri Kaizen
Recently I visited the Karakuri Kaizen Exhibition 2017 in Nagoya. This was a very impressive exhibit, and I learned a lot about karakuri from the many different examples shown there by over one hundred exhibitors. Organized annually by the Japan Institute of Plant Maintenance, it is to my knowledge the biggest showcase of karakuri in the world. This was an exciting visit that I will process in a whole series of blog posts on karakuri (Fundamentals and Examples)
Karakuri is the use of mechanic gadgetry rather than electric, pneumatic, or hydraulic devices. Definitely no computers! Within lean, it stands for mechanical gadgets that improve your system. Time to look closer at what I learned from this karakuri exhibition.